One last thought: I just had a ten minute discussion with chatGPT because I wanted it to identify the REALLY OLD game that yours kinda reminded me of and that I loved as a kid and after some REALLY bad guesses and me shouting at ChatGPT to concentrate it came up with the right name in the end and then ChatGPT made it awkward when I said I COULD kiss it right now and it totally misunderstood, well, what can you do. here's the game I was thinking about:
https://www.playdosgames.com/play/skyroads/
doesn't have the dimension switch, but that feeling of momentum and trying to nail the jump and especially the DIFFICULTY.